498954979093 has 2 divisors, whose sum is σ = 498954979094. Its totient is φ = 498954979092.

The previous prime is 498954979031. The next prime is 498954979109. The reversal of 498954979093 is 390979459894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266547103524 + 232407875569 = 516282^2 + 482087^2 .

It is a cyclic number.

It is not a de Polignac number, because 498954979093 - 2²¹ = 498952881941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498954979493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249477489546 + 249477489547.

It is an arithmetic number, because the mean of its divisors is an integer number (249477489547).

Almost surely, 2^498954979093 is an apocalyptic number.

It is an amenable number.

498954979093 is a deficient number, since it is larger than the sum of its proper divisors (1).

498954979093 is an equidigital number, since it uses as much as digits as its factorization.

498954979093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793618560, while the sum is 76.

The spelling of 498954979093 in words is "four hundred ninety-eight billion, nine hundred fifty-four million, nine hundred seventy-nine thousand, ninety-three".